Basic preview app added.
'\n's after the first weren't replaced.
Basic formatting & across-sessions saving.
Help text and a little bit of CSS.
Favicon & Apple iDevices icon added.
added some pastek syntax precisions
Text is not saved anymore if it hasn't been modified (i.e. is the help text)
Using a more semantically correct type for the help text.
'view raw' & 'save as' buttons added.
Placeholder.
Some missing meta tags added.
More og meta tags.
Fixing an OG warning.
Fixing canonical URL